This depends on what you mean by success. If your aim is to end up steamrolling hard enemies with a broken deck and getting a large high score than synergies a

This depends on what you mean by success. If your aim is to end up steamrolling hard enemies with a broken deck and getting a large high score than synergies are worth going for. If your goal is to eek by with a win as often as possible there is too much variance in betting the farm on being offered certain cards in the future.